Overview
The Broadcom Limited HCPL-3120-500E is a high-performance optocoupler designed for driving power IGBTs and MOSFETs, particularly in applications requiring high insulation voltage and fast switching speeds. This component features an integrated circuit with a power output stage optically coupled to a GaAsP or AlGaAs LED, depending on the specific model variant. It is well-suited for motor control inverter applications, industrial inverters, and switch mode power supplies due to its high operating voltage range and robust insulation characteristics.
Key Specifications
| Parameter | Symbol | Min. | Max. | Unit |
|---|---|---|---|---|
| Power Supply Voltage (VCC – VEE) | VCC - VEE | 15 | 30 | V |
| Input Current (ON) | IF(ON) | 7 | 16 | mA |
| Input Voltage (OFF) | VF(OFF) | -3.6 | 0.8 | V |
| Output Peak Current (IO) | IO | 2.0 | 2.5 | A |
| Common Mode Rejection (CMR) | CMR | 25 kV/μs | kV/μs | |
| Low-Level Output Voltage (VOL) | VOL | 0.5 | V | |
| Supply Current (ICC) | ICC | 5 | mA | |
| Operating Temperature (TA) | TA | -40 | 100 | °C |
| Insulation Voltage (VIORM) | VIORM | 630 | 1414 | VPEAK |
Key Features
- High output current: 2.5A maximum peak output current and 2.0A minimum peak output current.
- High common mode rejection: 25 kV/μs minimum CMR at VCM = 1500V.
- Low-level output voltage: 0.5V maximum VOL, eliminating the need for negative gate drive.
- Under-voltage lockout protection (UVLO) with hysteresis.
- Wide operating VCC range: 15V to 30V.
- Fast switching speeds: 500-ns maximum switching time.
- Industrial temperature range: -40°C to +100°C.
- Regulatory approvals: UL recognized, CSA approved, and IEC/EN/DIN EN 60747-5-5 approved.
Applications
- IGBT/MOSFET gate drive.
- AC and brushless DC motor drives.
- Industrial inverters.
- Switch mode power supplies.
Q & A
- What is the HCPL-3120-500E used for? The HCPL-3120-500E is used for driving power IGBTs and MOSFETs, especially in motor control inverter applications, industrial inverters, and switch mode power supplies.
- What is the maximum output current of the HCPL-3120-500E? The maximum output current is 2.5A.
- What is the common mode rejection (CMR) of the HCPL-3120-500E? The CMR is 25 kV/μs minimum at VCM = 1500V.
- What is the operating temperature range of the HCPL-3120-500E? The operating temperature range is -40°C to +100°C.
- Does the HCPL-3120-500E have under-voltage lockout protection? Yes, it has under-voltage lockout protection (UVLO) with hysteresis.
- What are the regulatory approvals for the HCPL-3120-500E? It is UL recognized, CSA approved, and IEC/EN/DIN EN 60747-5-5 approved.
- What is the maximum supply voltage for the HCPL-3120-500E? The maximum supply voltage is 30V.
- What is the minimum input current for the HCPL-3120-500E? The minimum input current is 7 mA.
- What are some typical applications of the HCPL-3120-500E? Typical applications include IGBT/MOSFET gate drive, AC and brushless DC motor drives, industrial inverters, and switch mode power supplies.
- What is the insulation voltage (VIORM) of the HCPL-3120-500E? The insulation voltage (VIORM) ranges from 630 VPEAK to 1414 VPEAK depending on the model variant.
